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CSA B72

Installation code for lightning protection systems

active, Most Current
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Organization: CSA
Publication Date: 1 January 2020
Status: active
Page Count: 85
ICS Code (Lightning protection): 91.120.40
scope:

This Standard covers the protection from lightning of

a) recreational, residential, institutional, medical, agricultural, industrial, commercial, military, and telecommunications buildings and structures;

b) tall, slender structures such as smokestacks, silos, tanks, towers, masts, and poles;

c) immobile property such as equipment, tents, fences, trees, and solar arrays; and

d) high-risk structures with dangerous contents such as explosives and flammable goods.

This Standard covers the protection from lightning of structures housing electrical generation, transmission, and distribution systems, as well as structures housing communication systems, but not the equipment or installation requirements for such systems.

This Standard does not cover installation requirements for early streamer emission systems or charge dissipation/charge transfer systems. No recognized standards body or testing agency exists for Canadian installations of these devices.

This Standard also contains non-mandatory sections devoted to the nature of lightning and the general principles upon which lightning protection is based, so that the user of the Standard will be able to assess the need for lightning protection in the case of any given structure (see Annexes A through D).

In this Standard, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.

Document History

CSA B72
January 1, 2020
Installation code for lightning protection systems
This Standard covers the protection from lightning of a) recreational, residential, institutional, medical, agricultural, industrial, commercial, military, and telecommunications buildings and...
March 1, 1987
Installation Code for Lightning Protection Systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...
March 1, 1987
Installation Code for Lightning Protection Systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...
March 1, 1987
Installation code for lightning protection systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...
March 1, 1987
Installation Code for Lightning Protection Systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...
March 1, 1987
Installation Code for Lightning Protection Systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...
January 1, 1987
Installation code for lightning protection systems
This Standard covers the protection from lightning of buildings such as residences, places of public assembly, and buildings of a general industrial nature, including structures with explosive or...

References

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